[MATLAB] RGB gamma interpolation 3D

gamma_eqn.m

close all; clear; clc; 

color_raw=0:0.05:1;
RGB_Lift_raw=(0:0.05:2).';

Ncolor = length(color_raw); vcolor=ones(1,Ncolor);
NLift = length(RGB_Lift_raw); vLift = ones(NLift,1);

color = vLift * color_raw;
RGB_Lift = RGB_Lift_raw * vcolor;

color_final = color .* (1.5 - 0.5 * RGB_Lift) + 0.5 * RGB_Lift - 0.5;

figure(1);surf(color_raw,RGB_Lift_raw,color_final);
xlabel('Original RGB');
ylabel('Lift value');
zlabel('New RGB');